Alternatives

Products that do what Codexy does

Lightweight coding agent that runs in your terminal

1
Codex by OpenAI▲955
AI that writes code for you
2021 · openai.com
2
Codex by OpenAI▲346
A command center for working with agents
Feb 2026 · openai.com
3
GPT-5 Codex▲358
A version of GPT-5 better at agentic coding
Sep 2025
4
Codex by ChatGPT▲401
Cloud agent for parallel dev tasks, powered by Codex-1
2025
5
CodeX-Editor▲125
A web code editor with AI & multi-language support
2025
6
Codex app for Windows▲145
Codex now runs natively on Windows with secure sandbox
Mar 2026 · learn.chatgpt.com
7
Codex Subagents▲306
Parallel custom agents for complex tasks
Mar 2026 · learn.chatgpt.com
8
opencode▲395
Your terminal's AI agent, with any model you want
2025
9
Codex CLI▲9
Codex-CLI
2025
10
Cosine CLI▲334
AI pair programming directly in your terminal
Sep 2025
11
CodeX▲124
Build webapps in minutes for completely free
2025
12
Codex Security▲306
Our application security agent
Mar 2026 · openai.com
13
Muse Code▲240
Meta’s terminal agent for long-horizon coding
Aug 2026 · research.meta.ai
14
OpenCode Superapp▲128
The power of Codex with local, self-hosted models and voice
Jul 2026 · opencodesuper.app
15
Codex▲247
Discuss and understand your code base from within your IDE
2022
16
Replicas▲239
Run Claude Code and Codex in the cloud
Jun 2026 · replicas.dev
17OC
Open Codex – OpenAI Codex CLI with open-source LLMs▲106
Hey HN, I’ve built Open Codex, a fully local, open-source alternative to OpenAI’s Codex CLI. My initial plan was to fork their project and extend it. I even started doing that. But it turned out their code has several leaky abstractions, which made it hard to override core behavior cleanly. Shortly after, OpenAI introduced breaking changes. Maintaining my customizations on top became increasingly difficult. So I rewrote the whole thing from scratch using Python. My version is designed to support local LLMs. Right now, it only works with phi-4-mini (GGUF) via…
2025 · github.com
18
openai-codex▲14
openai-codex
2025
19
Cosyra▲203
Run AI coding agents from your phone
Apr 2026 · cosyra.com
20
AgentMicro▲160
Live Codex task status in your macOS menu bar
Aug 2026 · agentmicro.cc
21
GitHub Agent HQ▲192
Run Claude, Codex & Copilot directly in GitHub & VS Code
Feb 2026 · github.blog
22
Open Computer Use▲92
Open-source Computer Use MCP for AI agents
May 2026 · github.com
23
ShioriCode▲119
Open-source alternative to Codex & Claude Code
May 2026 · shiori.ai
24
agents-cli▲145
The CLI your coding agent uses to ship agents
Jul 2026 · github.com

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